Even the most powerful cars can not perform at a high level without sufficient chassis rigidity. The Beatrush Performance Bar restrains suspension links and other points to improve rigidity, which make the suspension movement smooth, and enhances steering response as well as traction.

The Beatrush Rear Trunk Brace for the Honda CR-Z reinforces the rear chassis by the rear IMA battery. It works with all 2013+ OEM foam (though some cutting may be required. As for the 2011-2012 it will not work with the rear spare tire.